UV BANS Polarized Aviator Sunglasses for Men Uv Protection Round Sunglasses Oversized Sunglasses

DO YOU KNOW? (1) UV380 or UV400 or 100% UV refers to the sunglasses with UV protection function.Anti-ultraviolet ability relates to with the lens material. LENS COLOR Choosing sunglasses can not only pursue the style of fashion gorgeous, but also pay attention to its eye protection. (1) Gray: it can absorbs any color, showing the true natural feeling (2) Brown: It can filters out a lot of blue light and improve the visual contrast and clarity,it is good for eye in the air pollution (such as dust storms) or foggy. (3)Green:neutral color, It can increase the green light for eyes, so it is cool and comfortable for people who are prone to fatigue. (4)Blue: It is suitable for people play on beach beach, the blue can effectively filter out reflected light blue of the sea and the sky.People should avoid using a blue lens sunglasses during driving,because it is difficult to make driver distinguish the traffic signal. COLOR DEPTH of LENS (1)The color of the lens affects the absorption of visible light only, and has nothing to do with the ability to resist ultraviolet radiation. The ability to resist ultraviolet radiation is only related to the lens material. (2)The choice of sunglasses lens color is not the darker, the better. Different colors of lenses have different functions.Generally the lens color of the best is in gray, green and brown, not too deep, not too shallow. (3) According to the depth of lens color, the sunglasses lens shade are divided into four kinds, followed by 15%, 34%, 50%, 70% color series. 15% of the deepest depth, suitable for indoor and outdoor wear, especially those who with myopic eyes, very easy to suitable. 34% of the depth, which are used under normal sun exposure. 50% of sunglasses can be worn in the hot sun and the seaside. 70% of sunglasses are of special use, generally used in welding and other engineering professionals.